Race condition in the ionioctl function in drivers/staging/android/ion/ion.c in the Linux kernel before 4.6 allows local users to gain privileges or cause a denial of service (use-after-free) by calling IONIOC_FREE on two CPUs at the same time.
[
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"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2016-9120.json"